ChampionshipMillwall have been charged by the Football Association after some fans allegedly chanted racist language during the FA Cup fourth-round win over Everton in January.
Supporters could be heard using a racist term that is derogatory to the Pakistani community during the game.
The FA says Millwall have been charged with a breach of rule E20.
"It is alleged the club failed to ensure its spectators conducted themselves in an orderly fashion and refrained from using abusive and/or insulting words, which included a reference to race and/or ethnic origin, during the Emirates FA Cup tie against Everton on 26 January 2019," said a statement.